F248： Low Battery Voltage蓄電池電壓低。力士樂伺服驅(qū)動器警報原因多種多樣，在我們維修的眾多案例中原因有的集中有點分散，原因各不統(tǒng)一。
Cause:原因：
The connected motor has an absolute encoder. The absolute position information is stored in the motor feedback. This memory has a battery powered backup for the electronic circuit. The battery is designed for a operating life of 10 years. If the battery voltage drops below 2.8 V, this message appears. The absolute encoder function is preserved for about 2 weeks.
連接的電機有一個絕對編碼器。絕對位置信息被存儲在電動機反饋中。這個存儲器有電池電子電路的備用電源。該電池設(shè)計用于使用壽命為10年。如果蓄電池電壓降至2.8 V以下，則出現(xiàn)消息。絕對編碼器功能保留約2周。
Instructions for Exchanging Batteries更換電池的說明
Have the following tools and accessories ready:
準備好以下工具和附件：
• Torx screwdriver, size 10•Torx螺絲刀，尺寸10
• Needle nose pliers, torque wrench•尖嘴鉗、扭矩扳手
• New packaged battery (Part No.: 257101)•新包裝電池（零件號：257101）
上海仰光電子科技有限公司專業(yè)從事各品牌伺服驅(qū)動器維修,伺服電機維修。If the control voltage of the installed battery is turned off, the absolute position is lost.如果已安裝電池的控制電壓關(guān)閉失去了位置。
The absolute position must be re-established through the process of the command Set Absolute Measurement.
必須通過命令“設(shè)置絕對測量"。
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